Bend the left knee and straighten the right leg at a 45-degree angle, while also crunching your right elbow toward your left knee. Return to start, then bend the right knee in toward your chest ...

and keep your right knee bent. Lift your head and shoulders and move the dumbbell to the outside of your right knee. Press into a crunch with a twist. Pull your left leg to meet your right leg and ...

Start as you did for the abdominal crunch, lying on the floor with ... and the arm starts straight (just inside the left knee). Slowly bend it up until the weight is up at the shoulder, then ...

This time, place your fingers on your temples so that your arms are bent out to the sides and crunch with your right elbow aiming towards your left knee. Don’t push to touch the knee ...

Let's start with a waist crunch. Have a seat on the exercise mat. Now, what I want you to do is lie back. Take your hands and gently just place them to the side. Lift up your legs, bent knee.

this is one of the more demanding variations of crunches and is best done with a neutral lumbar spine to avoid irritation.' To find your neutral spine position, lay down with your knees bent, and ...

This time, place your fingers on your temples so that your arms are bent out to the sides and crunch with your right elbow aiming towards your left knee. Don’t push to touch the knee ...